XGY   Grimsby Mountain, ON
Weather Observed At   43-11  N    79-34  W
 
================
  2026-04-21 7:00am Max
Min
  Weather
----



  Temperature
0.9 °C
0.9 °C
  6:58am
-1.5 °C
  2:49am
  Relative Humidity
74 %
79 %
  2:18am
72 %
 12:01am
  Dew Point
-3.2 °C
-3.3 °C
  5:41am
-5.0 °C
 12:00am
  Wind Velocity
163 ° at  3.8 G 5.2 kt
7.0 kt
  6:27am

  Pressure
    30.270 " 
30.324 "
 12:03am
30.265 "
  6:38am
  Rainfall Rate
0.0 mm/h 0.0 mm/h
 ----m

  Snow On Ground 0 cm

  Brightness / Darkness   32 W/m² /  11.86 m/"² 35 W/m²
  6:56am
  19.95 m/"²    2:10am
  Remarks
 
  RainfallToday
0.0 mm
Storm Total
0.0 mm
  SnowfallToday
0.0 cm
Storm Total
0.0 cm
  Evapotranspiration Today
-0.00 mm


  Lake Conditions
  Water Temperature  --- °C
  Waves  ---
ICE FREE

  Meteor Index
34   Showers
  Aurora Index / Solar
18   Quiet   - 1 nT   Solar Flux   105  sfu  /   S 0    G 1    R 0   /  MUF   22.3 MHz
  Sunrise 6:26am
  Sunset 8:08pm

  Moonrise N/A
  Moonset N/A
  Moon Phase Waxing Crescent

Grimsby Mountain Weather Maps
Local Regional Area Synoptic

     
updated H+09 and every 10m updated H+19 and H+49
updated H+19

Ontario 6-Hour Meteorological Summary
Canadian 6-Hour Meteorological Summaries

CLIMAT Data
Official Yesterday




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Sky Quality (Darkness) Meter courtesy of  www.Unihedron.com
              
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  This is a privately operated weather station that is part of the Meteorological Service of Canada's official observing network.
Permission to publish the weather statistics found on this website is not required.
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EOF